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Lucene 4 Cookbook
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Over 70 hands-on recipes to quickly and effectively integrate Lucene into your search application
About This Book
- Make the most of Lucene by understanding its philosophy and leveraging the data searching capability of your application
- Explore techniques to design scalable and succinct search applications
- Packed with clear, step-by-step recipes to walk you through the capabilities of Lucene
Who This Book Is For
This book is for software developers who are new to Lucene and who want to explore the more advanced topics to build a search engine. Knowledge of Java is necessary to follow the code samples. You will learn core concepts, best practices, and also advanced features, in order to build an effective search application.
What You Will Learn
- Explore the best practices to make the most of your search application
- Create and write documents in an index
- Customize scoring and boosting in your application to influence search results
- Expand Lucene's functionality, such as spatial searching and faceting with add-on modules
- Load and initialize the library and build a search index of data
- Understand trading between NRT latency and throughput
- Optimize your search applications by employing features such as near real-time (NRT) search
In Detail
Lucene 4 Cookbook is a practical guide that shows you how to build a scalable search engine for your application, from an internal documentation search to a wide-scale web implementation with millions of records. Starting with helping you to successfully install Apache Lucene, it will guide you through creating your first search application. Furthermore, the book walks you through analyzing your text and indexing your data to leverage the performance of your search application. As you progress through the chapters, you will learn to effectively search your indexes and successfully employ real-time searching.
The chapters start off with simple concepts and build up to complex solutions that should help you on your way to becoming a search engine expert.
- ISBN-101782162283
- ISBN-13978-1782162285
- PublisherPackt Pub Ltd
- Publication dateJune 27, 2015
- LanguageEnglish
- Dimensions9.25 x 7.52 x 0.47 inches
- Print length220 pages
Product details
- Publisher : Packt Pub Ltd (June 27, 2015)
- Language : English
- Paperback : 220 pages
- ISBN-10 : 1782162283
- ISBN-13 : 978-1782162285
- Item Weight : 13.7 ounces
- Dimensions : 9.25 x 7.52 x 0.47 inches
- Best Sellers Rank: #5,449,401 in Books (See Top 100 in Books)
- #896 in Online Internet Searching
- #2,419 in Database Storage & Design
- #10,995 in Internet & Telecommunications
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In the front matter for this book the section on "Who this book is for" starts with "This book is for software developers who are new to Lucene..." This isn't true at all. You need real experience with Lucene before you can understand any of the recipes or their significance. All of them pretty much follow a format of: motivation, code snippet, and explanation. Repeat that fifty times and you have a good idea of what's in this book. There is no source code provided.
The paragraphs below are the start of the very first recipe, copied verbatim modulo formatting. I'm pasting it because words escape me. Suffice it to say that maybe in a few months I'll find this book's contents useful, but for now, no.
Obtaining an IndexWriter
The IndexWriter class provides functionality to create and manage index. The class can be found in Lucene-core. It handles basic
operations where you can add, delete, and update documents. It also handles more complex use cases that we will cover during the
course of this book.
An IndexWriter constructor takes two arguments: IndexWriterDirectoryIndexWriterConfig https:// lucene.apache.org/
core/ 4_10_0/ core/ org/ apache/ lucene/ index /IndexWriter.htmlIndexWriter( org.apache.lucene.store.Directory,
org.apache.lucene.index.IndexWriterConfig) IndexWriter( https:// lucene.apache.org/ core/ 4_10_0/ core/ org/ apache/ lucene/
store/ Directory.html Directory d, https:// lucene.apache.org/ core/ 4_10_0/ core/ org/ apache/ lucene/ index/ IndexWriterConfig.html"IndexWriterConfig conf)
Construct a new IndexWriter as per the settings given in the conf file.
Being a cookbook, I cant complain of not having a very detailed introduction. My recommendation if you are new to Lucene is to read every chapter at least twice before you move on.